CROPS UP: December wheat soared 8 percent to finish at $6.60 per bushel; December corn jumped 6.6 percent to $6.45 per bushel and November soybeans rose 58 cents to $12.355 per bushel.
BIG REPORT: There was high demand for corn and soybean futures. Speculators and grain consumers wanted to lock in current prices before a USDA report is released Wednesday. The report predicts global crop supplies and is known to cause wide swings in the market.
OIL ALSO GAINS: Oil prices rose. Benchmark oil gained 40 cents to end at $85.81 per barrel.